mirror of
https://github.com/nyanmisaka/ffmpeg-rockchip.git
synced 2025-10-31 20:42:49 +08:00
718 lines
24 KiB
C
718 lines
24 KiB
C
/*
|
|
* Copyright (c) 2002-2003 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* see http://www.pcisys.net/~melanson/codecs/huffyuv.txt for a description of
|
|
* the algorithm used
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* huffyuv encoder
|
|
*/
|
|
|
|
#include "avcodec.h"
|
|
#include "huffyuv.h"
|
|
#include "huffman.h"
|
|
#include "put_bits.h"
|
|
|
|
static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst,
|
|
uint8_t *src, int w, int left)
|
|
{
|
|
int i;
|
|
if (w < 32) {
|
|
for (i = 0; i < w; i++) {
|
|
const int temp = src[i];
|
|
dst[i] = temp - left;
|
|
left = temp;
|
|
}
|
|
return left;
|
|
} else {
|
|
for (i = 0; i < 16; i++) {
|
|
const int temp = src[i];
|
|
dst[i] = temp - left;
|
|
left = temp;
|
|
}
|
|
s->dsp.diff_bytes(dst + 16, src + 16, src + 15, w - 16);
|
|
return src[w-1];
|
|
}
|
|
}
|
|
|
|
static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst,
|
|
uint8_t *src, int w,
|
|
int *red, int *green, int *blue,
|
|
int *alpha)
|
|
{
|
|
int i;
|
|
int r, g, b, a;
|
|
r = *red;
|
|
g = *green;
|
|
b = *blue;
|
|
a = *alpha;
|
|
|
|
for (i = 0; i < FFMIN(w, 4); i++) {
|
|
const int rt = src[i * 4 + R];
|
|
const int gt = src[i * 4 + G];
|
|
const int bt = src[i * 4 + B];
|
|
const int at = src[i * 4 + A];
|
|
dst[i * 4 + R] = rt - r;
|
|
dst[i * 4 + G] = gt - g;
|
|
dst[i * 4 + B] = bt - b;
|
|
dst[i * 4 + A] = at - a;
|
|
r = rt;
|
|
g = gt;
|
|
b = bt;
|
|
a = at;
|
|
}
|
|
|
|
s->dsp.diff_bytes(dst + 16, src + 16, src + 12, w * 4 - 16);
|
|
|
|
*red = src[(w - 1) * 4 + R];
|
|
*green = src[(w - 1) * 4 + G];
|
|
*blue = src[(w - 1) * 4 + B];
|
|
*alpha = src[(w - 1) * 4 + A];
|
|
}
|
|
|
|
static inline void sub_left_prediction_rgb24(HYuvContext *s, uint8_t *dst,
|
|
uint8_t *src, int w,
|
|
int *red, int *green, int *blue)
|
|
{
|
|
int i;
|
|
int r, g, b;
|
|
r = *red;
|
|
g = *green;
|
|
b = *blue;
|
|
for (i = 0; i < FFMIN(w, 16); i++) {
|
|
const int rt = src[i * 3 + 0];
|
|
const int gt = src[i * 3 + 1];
|
|
const int bt = src[i * 3 + 2];
|
|
dst[i * 3 + 0] = rt - r;
|
|
dst[i * 3 + 1] = gt - g;
|
|
dst[i * 3 + 2] = bt - b;
|
|
r = rt;
|
|
g = gt;
|
|
b = bt;
|
|
}
|
|
|
|
s->dsp.diff_bytes(dst + 48, src + 48, src + 48 - 3, w * 3 - 48);
|
|
|
|
*red = src[(w - 1) * 3 + 0];
|
|
*green = src[(w - 1) * 3 + 1];
|
|
*blue = src[(w - 1) * 3 + 2];
|
|
}
|
|
|
|
static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf)
|
|
{
|
|
int i;
|
|
int index = 0;
|
|
|
|
for (i = 0; i < 256;) {
|
|
int val = len[i];
|
|
int repeat = 0;
|
|
|
|
for (; i < 256 && len[i] == val && repeat < 255; i++)
|
|
repeat++;
|
|
|
|
assert(val < 32 && val >0 && repeat<256 && repeat>0);
|
|
if ( repeat > 7) {
|
|
buf[index++] = val;
|
|
buf[index++] = repeat;
|
|
} else {
|
|
buf[index++] = val | (repeat << 5);
|
|
}
|
|
}
|
|
|
|
return index;
|
|
}
|
|
|
|
static av_cold int encode_init(AVCodecContext *avctx)
|
|
{
|
|
HYuvContext *s = avctx->priv_data;
|
|
int i, j;
|
|
|
|
ff_huffyuv_common_init(avctx);
|
|
|
|
avctx->extradata = av_mallocz(1024*30); // 256*3+4 == 772
|
|
avctx->stats_out = av_mallocz(1024*30); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
|
|
s->version = 2;
|
|
|
|
avctx->coded_frame = av_frame_alloc();
|
|
if (!avctx->coded_frame)
|
|
return AVERROR(ENOMEM);
|
|
|
|
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
|
|
avctx->coded_frame->key_frame = 1;
|
|
|
|
switch (avctx->pix_fmt) {
|
|
case AV_PIX_FMT_YUV420P:
|
|
case AV_PIX_FMT_YUV422P:
|
|
if (s->width & 1) {
|
|
av_log(avctx, AV_LOG_ERROR, "Width must be even for this colorspace.\n");
|
|
return -1;
|
|
}
|
|
s->bitstream_bpp = avctx->pix_fmt == AV_PIX_FMT_YUV420P ? 12 : 16;
|
|
break;
|
|
case AV_PIX_FMT_RGB32:
|
|
s->bitstream_bpp = 32;
|
|
break;
|
|
case AV_PIX_FMT_RGB24:
|
|
s->bitstream_bpp = 24;
|
|
break;
|
|
default:
|
|
av_log(avctx, AV_LOG_ERROR, "format not supported\n");
|
|
return -1;
|
|
}
|
|
avctx->bits_per_coded_sample = s->bitstream_bpp;
|
|
s->decorrelate = s->bitstream_bpp >= 24;
|
|
s->predictor = avctx->prediction_method;
|
|
s->interlaced = avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
|
|
if (avctx->context_model == 1) {
|
|
s->context = avctx->context_model;
|
|
if (s->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"context=1 is not compatible with "
|
|
"2 pass huffyuv encoding\n");
|
|
return -1;
|
|
}
|
|
}else s->context= 0;
|
|
|
|
if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
|
|
if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Error: YV12 is not supported by huffyuv; use "
|
|
"vcodec=ffvhuff or format=422p\n");
|
|
return -1;
|
|
}
|
|
if (avctx->context_model) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Error: per-frame huffman tables are not supported "
|
|
"by huffyuv; use vcodec=ffvhuff\n");
|
|
return -1;
|
|
}
|
|
if (s->interlaced != ( s->height > 288 ))
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"using huffyuv 2.2.0 or newer interlacing flag\n");
|
|
}
|
|
|
|
if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Error: RGB is incompatible with median predictor\n");
|
|
return -1;
|
|
}
|
|
|
|
((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
|
|
((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
|
|
((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
|
|
if (s->context)
|
|
((uint8_t*)avctx->extradata)[2] |= 0x40;
|
|
((uint8_t*)avctx->extradata)[3] = 0;
|
|
s->avctx->extradata_size = 4;
|
|
|
|
if (avctx->stats_in) {
|
|
char *p = avctx->stats_in;
|
|
|
|
for (i = 0; i < 3; i++)
|
|
for (j = 0; j < 256; j++)
|
|
s->stats[i][j] = 1;
|
|
|
|
for (;;) {
|
|
for (i = 0; i < 3; i++) {
|
|
char *next;
|
|
|
|
for (j = 0; j < 256; j++) {
|
|
s->stats[i][j] += strtol(p, &next, 0);
|
|
if (next == p) return -1;
|
|
p = next;
|
|
}
|
|
}
|
|
if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
|
|
}
|
|
} else {
|
|
for (i = 0; i < 3; i++)
|
|
for (j = 0; j < 256; j++) {
|
|
int d = FFMIN(j, 256 - j);
|
|
|
|
s->stats[i][j] = 100000000 / (d + 1);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
ff_huff_gen_len_table(s->len[i], s->stats[i]);
|
|
|
|
if (ff_huffyuv_generate_bits_table(s->bits[i], s->len[i]) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
s->avctx->extradata_size +=
|
|
store_table(s, s->len[i], &((uint8_t*)s->avctx->extradata)[s->avctx->extradata_size]);
|
|
}
|
|
|
|
if (s->context) {
|
|
for (i = 0; i < 3; i++) {
|
|
int pels = s->width * s->height / (i ? 40 : 10);
|
|
for (j = 0; j < 256; j++) {
|
|
int d = FFMIN(j, 256 - j);
|
|
s->stats[i][j] = pels/(d + 1);
|
|
}
|
|
}
|
|
} else {
|
|
for (i = 0; i < 3; i++)
|
|
for (j = 0; j < 256; j++)
|
|
s->stats[i][j]= 0;
|
|
}
|
|
|
|
ff_huffyuv_alloc_temp(s);
|
|
|
|
s->picture_number=0;
|
|
|
|
return 0;
|
|
}
|
|
static int encode_422_bitstream(HYuvContext *s, int offset, int count)
|
|
{
|
|
int i;
|
|
const uint8_t *y = s->temp[0] + offset;
|
|
const uint8_t *u = s->temp[1] + offset / 2;
|
|
const uint8_t *v = s->temp[2] + offset / 2;
|
|
|
|
if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 2 * 4 * count) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
return -1;
|
|
}
|
|
|
|
#define LOAD4\
|
|
int y0 = y[2 * i];\
|
|
int y1 = y[2 * i + 1];\
|
|
int u0 = u[i];\
|
|
int v0 = v[i];
|
|
|
|
count /= 2;
|
|
|
|
if (s->flags & CODEC_FLAG_PASS1) {
|
|
for(i = 0; i < count; i++) {
|
|
LOAD4;
|
|
s->stats[0][y0]++;
|
|
s->stats[1][u0]++;
|
|
s->stats[0][y1]++;
|
|
s->stats[2][v0]++;
|
|
}
|
|
}
|
|
if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
|
|
return 0;
|
|
if (s->context) {
|
|
for (i = 0; i < count; i++) {
|
|
LOAD4;
|
|
s->stats[0][y0]++;
|
|
put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
|
|
s->stats[1][u0]++;
|
|
put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
|
|
s->stats[0][y1]++;
|
|
put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
|
|
s->stats[2][v0]++;
|
|
put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
|
|
}
|
|
} else {
|
|
for(i = 0; i < count; i++) {
|
|
LOAD4;
|
|
put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
|
|
put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
|
|
put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
|
|
put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int encode_gray_bitstream(HYuvContext *s, int count)
|
|
{
|
|
int i;
|
|
|
|
if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 4 * count) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
return -1;
|
|
}
|
|
|
|
#define LOAD2\
|
|
int y0 = s->temp[0][2 * i];\
|
|
int y1 = s->temp[0][2 * i + 1];
|
|
#define STAT2\
|
|
s->stats[0][y0]++;\
|
|
s->stats[0][y1]++;
|
|
#define WRITE2\
|
|
put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
|
|
put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
|
|
|
|
count /= 2;
|
|
|
|
if (s->flags & CODEC_FLAG_PASS1) {
|
|
for (i = 0; i < count; i++) {
|
|
LOAD2;
|
|
STAT2;
|
|
}
|
|
}
|
|
if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
|
|
return 0;
|
|
|
|
if (s->context) {
|
|
for (i = 0; i < count; i++) {
|
|
LOAD2;
|
|
STAT2;
|
|
WRITE2;
|
|
}
|
|
} else {
|
|
for (i = 0; i < count; i++) {
|
|
LOAD2;
|
|
WRITE2;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int encode_bgra_bitstream(HYuvContext *s, int count, int planes)
|
|
{
|
|
int i;
|
|
|
|
if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) <
|
|
4 * planes * count) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
|
|
return -1;
|
|
}
|
|
|
|
#define LOAD_GBRA \
|
|
int g = s->temp[0][planes == 3 ? 3 * i + 1 : 4 * i + G]; \
|
|
int b = s->temp[0][planes == 3 ? 3 * i + 2 : 4 * i + B] - g & 0xFF; \
|
|
int r = s->temp[0][planes == 3 ? 3 * i + 0 : 4 * i + R] - g & 0xFF; \
|
|
int a = s->temp[0][planes * i + A];
|
|
|
|
#define STAT_BGRA \
|
|
s->stats[0][b]++; \
|
|
s->stats[1][g]++; \
|
|
s->stats[2][r]++; \
|
|
if (planes == 4) \
|
|
s->stats[2][a]++;
|
|
|
|
#define WRITE_GBRA \
|
|
put_bits(&s->pb, s->len[1][g], s->bits[1][g]); \
|
|
put_bits(&s->pb, s->len[0][b], s->bits[0][b]); \
|
|
put_bits(&s->pb, s->len[2][r], s->bits[2][r]); \
|
|
if (planes == 4) \
|
|
put_bits(&s->pb, s->len[2][a], s->bits[2][a]);
|
|
|
|
if ((s->flags & CODEC_FLAG_PASS1) &&
|
|
(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
|
|
for (i = 0; i < count; i++) {
|
|
LOAD_GBRA;
|
|
STAT_BGRA;
|
|
}
|
|
} else if (s->context || (s->flags & CODEC_FLAG_PASS1)) {
|
|
for (i = 0; i < count; i++) {
|
|
LOAD_GBRA;
|
|
STAT_BGRA;
|
|
WRITE_GBRA;
|
|
}
|
|
} else {
|
|
for (i = 0; i < count; i++) {
|
|
LOAD_GBRA;
|
|
WRITE_GBRA;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *pict, int *got_packet)
|
|
{
|
|
HYuvContext *s = avctx->priv_data;
|
|
const int width = s->width;
|
|
const int width2 = s->width>>1;
|
|
const int height = s->height;
|
|
const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0];
|
|
const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1];
|
|
const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2];
|
|
const AVFrame * const p = pict;
|
|
int i, j, size = 0, ret;
|
|
|
|
if (!pkt->data &&
|
|
(ret = av_new_packet(pkt, width * height * 3 * 4 + FF_MIN_BUFFER_SIZE)) < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error allocating output packet.\n");
|
|
return ret;
|
|
}
|
|
|
|
if (s->context) {
|
|
for (i = 0; i < 3; i++) {
|
|
ff_huff_gen_len_table(s->len[i], s->stats[i]);
|
|
if (ff_huffyuv_generate_bits_table(s->bits[i], s->len[i]) < 0)
|
|
return -1;
|
|
size += store_table(s, s->len[i], &pkt->data[size]);
|
|
}
|
|
|
|
for (i = 0; i < 3; i++)
|
|
for (j = 0; j < 256; j++)
|
|
s->stats[i][j] >>= 1;
|
|
}
|
|
|
|
init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
|
|
|
|
if (avctx->pix_fmt == AV_PIX_FMT_YUV422P ||
|
|
avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
|
|
int lefty, leftu, leftv, y, cy;
|
|
|
|
put_bits(&s->pb, 8, leftv = p->data[2][0]);
|
|
put_bits(&s->pb, 8, lefty = p->data[0][1]);
|
|
put_bits(&s->pb, 8, leftu = p->data[1][0]);
|
|
put_bits(&s->pb, 8, p->data[0][0]);
|
|
|
|
lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
|
|
leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
|
|
leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
|
|
|
|
encode_422_bitstream(s, 2, width-2);
|
|
|
|
if (s->predictor==MEDIAN) {
|
|
int lefttopy, lefttopu, lefttopv;
|
|
cy = y = 1;
|
|
if (s->interlaced) {
|
|
lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
|
|
leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
|
|
leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
|
|
|
|
encode_422_bitstream(s, 0, width);
|
|
y++; cy++;
|
|
}
|
|
|
|
lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
|
|
leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
|
|
leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
|
|
|
|
encode_422_bitstream(s, 0, 4);
|
|
|
|
lefttopy = p->data[0][3];
|
|
lefttopu = p->data[1][1];
|
|
lefttopv = p->data[2][1];
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[0], p->data[0]+4, p->data[0] + fake_ystride + 4, width - 4 , &lefty, &lefttopy);
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[1], p->data[1]+2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[2], p->data[2]+2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
|
|
encode_422_bitstream(s, 0, width - 4);
|
|
y++; cy++;
|
|
|
|
for (; y < height; y++,cy++) {
|
|
uint8_t *ydst, *udst, *vdst;
|
|
|
|
if (s->bitstream_bpp == 12) {
|
|
while (2 * cy > y) {
|
|
ydst = p->data[0] + p->linesize[0] * y;
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
|
|
encode_gray_bitstream(s, width);
|
|
y++;
|
|
}
|
|
if (y >= height) break;
|
|
}
|
|
ydst = p->data[0] + p->linesize[0] * y;
|
|
udst = p->data[1] + p->linesize[1] * cy;
|
|
vdst = p->data[2] + p->linesize[2] * cy;
|
|
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
|
|
s->dsp.sub_hfyu_median_prediction(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv);
|
|
|
|
encode_422_bitstream(s, 0, width);
|
|
}
|
|
} else {
|
|
for (cy = y = 1; y < height; y++, cy++) {
|
|
uint8_t *ydst, *udst, *vdst;
|
|
|
|
/* encode a luma only line & y++ */
|
|
if (s->bitstream_bpp == 12) {
|
|
ydst = p->data[0] + p->linesize[0] * y;
|
|
|
|
if (s->predictor == PLANE && s->interlaced < y) {
|
|
s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
|
|
|
|
lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
|
|
} else {
|
|
lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
|
|
}
|
|
encode_gray_bitstream(s, width);
|
|
y++;
|
|
if (y >= height) break;
|
|
}
|
|
|
|
ydst = p->data[0] + p->linesize[0] * y;
|
|
udst = p->data[1] + p->linesize[1] * cy;
|
|
vdst = p->data[2] + p->linesize[2] * cy;
|
|
|
|
if (s->predictor == PLANE && s->interlaced < cy) {
|
|
s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
|
|
s->dsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
|
|
s->dsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
|
|
|
|
lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
|
|
leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
|
|
leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
|
|
} else {
|
|
lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
|
|
leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
|
|
leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
|
|
}
|
|
|
|
encode_422_bitstream(s, 0, width);
|
|
}
|
|
}
|
|
} else if(avctx->pix_fmt == AV_PIX_FMT_RGB32) {
|
|
uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
|
|
const int stride = -p->linesize[0];
|
|
const int fake_stride = -fake_ystride;
|
|
int y;
|
|
int leftr, leftg, leftb, lefta;
|
|
|
|
put_bits(&s->pb, 8, lefta = data[A]);
|
|
put_bits(&s->pb, 8, leftr = data[R]);
|
|
put_bits(&s->pb, 8, leftg = data[G]);
|
|
put_bits(&s->pb, 8, leftb = data[B]);
|
|
|
|
sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1,
|
|
&leftr, &leftg, &leftb, &lefta);
|
|
encode_bgra_bitstream(s, width - 1, 4);
|
|
|
|
for (y = 1; y < s->height; y++) {
|
|
uint8_t *dst = data + y*stride;
|
|
if (s->predictor == PLANE && s->interlaced < y) {
|
|
s->dsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
|
|
sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width,
|
|
&leftr, &leftg, &leftb, &lefta);
|
|
} else {
|
|
sub_left_prediction_bgr32(s, s->temp[0], dst, width,
|
|
&leftr, &leftg, &leftb, &lefta);
|
|
}
|
|
encode_bgra_bitstream(s, width, 4);
|
|
}
|
|
} else if (avctx->pix_fmt == AV_PIX_FMT_RGB24) {
|
|
uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
|
|
const int stride = -p->linesize[0];
|
|
const int fake_stride = -fake_ystride;
|
|
int y;
|
|
int leftr, leftg, leftb;
|
|
|
|
put_bits(&s->pb, 8, leftr = data[0]);
|
|
put_bits(&s->pb, 8, leftg = data[1]);
|
|
put_bits(&s->pb, 8, leftb = data[2]);
|
|
put_bits(&s->pb, 8, 0);
|
|
|
|
sub_left_prediction_rgb24(s, s->temp[0], data + 3, width - 1,
|
|
&leftr, &leftg, &leftb);
|
|
encode_bgra_bitstream(s, width-1, 3);
|
|
|
|
for (y = 1; y < s->height; y++) {
|
|
uint8_t *dst = data + y * stride;
|
|
if (s->predictor == PLANE && s->interlaced < y) {
|
|
s->dsp.diff_bytes(s->temp[1], dst, dst - fake_stride,
|
|
width * 3);
|
|
sub_left_prediction_rgb24(s, s->temp[0], s->temp[1], width,
|
|
&leftr, &leftg, &leftb);
|
|
} else {
|
|
sub_left_prediction_rgb24(s, s->temp[0], dst, width,
|
|
&leftr, &leftg, &leftb);
|
|
}
|
|
encode_bgra_bitstream(s, width, 3);
|
|
}
|
|
} else {
|
|
av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
|
|
}
|
|
emms_c();
|
|
|
|
size += (put_bits_count(&s->pb) + 31) / 8;
|
|
put_bits(&s->pb, 16, 0);
|
|
put_bits(&s->pb, 15, 0);
|
|
size /= 4;
|
|
|
|
if ((s->flags&CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
|
|
int j;
|
|
char *p = avctx->stats_out;
|
|
char *end = p + 1024*30;
|
|
for (i = 0; i < 3; i++) {
|
|
for (j = 0; j < 256; j++) {
|
|
snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
|
|
p += strlen(p);
|
|
s->stats[i][j]= 0;
|
|
}
|
|
snprintf(p, end-p, "\n");
|
|
p++;
|
|
}
|
|
} else
|
|
avctx->stats_out[0] = '\0';
|
|
if (!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
|
|
flush_put_bits(&s->pb);
|
|
s->dsp.bswap_buf((uint32_t*)pkt->data, (uint32_t*)pkt->data, size);
|
|
}
|
|
|
|
s->picture_number++;
|
|
|
|
pkt->size = size * 4;
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
*got_packet = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int encode_end(AVCodecContext *avctx)
|
|
{
|
|
HYuvContext *s = avctx->priv_data;
|
|
|
|
ff_huffyuv_common_end(s);
|
|
|
|
av_freep(&avctx->extradata);
|
|
av_freep(&avctx->stats_out);
|
|
|
|
av_frame_free(&avctx->coded_frame);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if CONFIG_HUFFYUV_ENCODER
|
|
AVCodec ff_huffyuv_encoder = {
|
|
.name = "huffyuv",
|
|
.long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_HUFFYUV,
|
|
.priv_data_size = sizeof(HYuvContext),
|
|
.init = encode_init,
|
|
.encode2 = encode_frame,
|
|
.close = encode_end,
|
|
.pix_fmts = (const enum AVPixelFormat[]){
|
|
AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
|
|
AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
|
|
},
|
|
};
|
|
#endif
|
|
|
|
#if CONFIG_FFVHUFF_ENCODER
|
|
AVCodec ff_ffvhuff_encoder = {
|
|
.name = "ffvhuff",
|
|
.long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_FFVHUFF,
|
|
.priv_data_size = sizeof(HYuvContext),
|
|
.init = encode_init,
|
|
.encode2 = encode_frame,
|
|
.close = encode_end,
|
|
.pix_fmts = (const enum AVPixelFormat[]){
|
|
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB24,
|
|
AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE
|
|
},
|
|
};
|
|
#endif
|